Virtualization Costs

Question

We are designing an Azure Virtual Desktop (AVD) environment for our accounting department. To keep cloud costs under control, our cloud architect suggested using Windows 11 Enterprise multi-session instead of giving every single accountant their own dedicated virtual machine. How does multi-session licensing work, and will it negatively impact software performance when 15 people are logged into the same OS instance?

Answer 1

Hi Ninas Teiner

The way licensing works is pretty straightforward: Windows 11 Enterprise multi‑session is only available as part of Azure Virtual Desktop, so you don’t need separate OS licenses per user. Instead, you license the AVD service and the users themselves (via Microsoft 365 or RDS CALs), and the multi‑session OS is included in that entitlement.

Performance‑wise, it’s not like 15 people are all hammering the same desktop at once the system allocates resources per session. That said, CPU and memory are shared, so if everyone is running heavy Excel macros or accounting software at the same time, you’ll want to size the VM properly. The good news is you can scale up or scale out (add more session hosts) if workloads spike.

Think of multi‑session as a way to pool resources efficiently, but you’ll need to monitor usage and adjust sizing so the accountants don’t feel like they’re fighting for CPU cycles. For most mid‑sized businesses, it’s a solid balance between cost and performance, as long as you keep an eye on capacity planning.

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